289730410

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{408071}}^1$

素因数の和:408149

約数の個数: 16

約数和(自身を含む): 528861312

約数和(自身を除く): 239130902

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 408071, 816142, 2040355, 4080710, 28973041, 57946082, 144865205, 289730410]

約数ペア:

[(1, 289730410), (2, 144865205), (5, 57946082), (10, 28973041), (71, 4080710), (142, 2040355), (355, 816142), (710, 408071)]